Fig. 7. Cytokeratin can move in concert with and release from dynamic actin cables. 4D analysis kymographs that exhibit colocalization of cytokeratin (green) with F-actin (red) in living extract samples. (A) Cytokeratin is initially associated with F-actin, but releases and remains behind (arrowheads) after the F-actin moves away (arrows). (B) Cytokeratin remains associated with moving F-actin throughout the time of imaging (arroheads). Arrows on either side each represent elapsed time of one minute for their respective kymograph.

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